The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 1982
Filed:
Sep. 26, 1980
Applicant:
Inventor:
Roger P Cahoy, Overland Park, KS (US);
Assignee:
Gulf Oil Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
564142 ; 564143 ; 564176 ; 564185 ; 564219 ; 71118 ;
Abstract
In the manufacture of an N-benzyl-N-isopropyl amide by reaction of N-benzyl-N-isopropylamine with an acid chloride, the amide product is obtained in better purity and yield by employing excess benzylisopropylamine as the acid accepting agent and recovering the amine for re-use by reacting the amine hydrochloride by-product with aqueous sodium hydroxide.